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首页> 外文期刊>Journal of Nuclear Materials: Materials Aspects of Fission and Fusion >Effect of Si-Ni-P on the emergence of dislocations loops in Fe-9Cr matrix under neutron irradiation: TEM study and OKMC modelling
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Effect of Si-Ni-P on the emergence of dislocations loops in Fe-9Cr matrix under neutron irradiation: TEM study and OKMC modelling

机译：Si-Ni-P对中子辐射下Fe-9CR基质脱位偏移的影响：TEM研究和OKMC建模

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摘要

The expected degradation of mechanical properties of structural materials under irradiation (i.e. "in operation") in nuclear components represents a significant challenge for the design to account the impact of long-term irradiation effects. Therefore, a development of scientific and engineering expertise to understand and possibly control the severe impact of harsh neutron irradiation on materials is one of the tasks in the current material's research agenda. As it is well known from long-standing experience with fission systems, radiation embrittlement is caused by nano-scale features that obstruct plasticity mediated by dislocations. The present contribution highlights recent research and development efforts addressed towards the assessment of the interrelation between nano-structural features and hardening induced by neutron irradiation in fusion structural high-Cr ferritic/martensitic steels.
机译：在核心组件中的辐照下结构材料的力学性能的预期降解（即“在运行”中）对设计来说是一个重要的挑战，以考虑长期辐照效应的影响。 因此，制定科学和工程专业知识的理解和可能控制严重影响对材料的严重影响是当前材料研究议程中的任务之一。 由于众所周知，从长远的裂变系统中众所周知，辐射脆化是由纳米级特征引起的，该特征是阻碍脱位介导的塑性的特征。 目前贡献突出了最近的研发工作，以评估融合结构高CR铁素体/马氏体钢中子辐射诱导的纳米结构特征和硬化之间的相互关系。

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